Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [crown] Clade Archaeplastida Adl et al. 2005 [Simpson 2020] [crown] Clade Rhodoplantae Saunders & Hommersand 2004 [Saunders 2020] [crown] Clade Rhodophyta Wettstein 1901 [Saunders 2020] [crown] Clade Eurhodophytina Saunders & Hommersand 2004 [Saunders 2020] [crown] Clade Florideophyceae Cronquist 1960 [Saunders 2020] [crown] Clade Corallinophycidae Le Gall & Saunders 2007 [Saunders 2020]